Stone coated steel roofing tiles is based on Al-Zn steel. The surface and back protective films, together with the alloy composed of Aluminum and Zi...
1. The shaft tube is made of high-strength alloy steel plate and is welded by submerged arc welding and argon welding. The shaft head is made of alloy...
She is a three-in-one CNC channel letter bending machine with advantages as follows.
1, Auto-feeding, auto slotting(45°~135°) and auto bending (min R...